Buggy code:
public class Validate { private static final String DEFAULT_EXCLUSIVE_BETWEEN_EX_MESSAGE = "The<seq2seq4repair_space>value<seq2seq4repair_space>%s<seq2seq4repair_space>is<seq2seq4repair_space>not<seq2seq4repair_space>in<seq2seq4repair_space>the<seq2seq4repair_space>specified<seq2seq4repair_space>exclusive<seq2seq4repair_space>range<seq2seq4repair_space>of<seq2seq4repair_space>%s<seq2seq4repair_space>to<seq2seq4repair_space>%s" ; private static final String DEFAULT_INCLUSIVE_BETWEEN_EX_MESSAGE = "The<seq2seq4repair_space>value<seq2seq4repair_space>%s<seq2seq4repair_space>is<seq2seq4repair_space>not<seq2seq4repair_space>in<seq2seq4repair_space>the<seq2seq4repair_space>specified<seq2seq4repair_space>inclusive<seq2seq4repair_space>range<seq2seq4repair_space>of<seq2seq4repair_space>%s<seq2seq4repair_space>to<seq2seq4repair_space>%s" ; private static final String DEFAULT_MATCHES_PATTERN_EX = "The<seq2seq4repair_space>string<seq2seq4repair_space>%s<seq2seq4repair_space>does<seq2seq4repair_space>not<seq2seq4repair_space>match<seq2seq4repair_space>the<seq2seq4repair_space>pattern<seq2seq4repair_space>%s" ; private static final String DEFAULT_IS_NULL_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>object<seq2seq4repair_space>is<seq2seq4repair_space>null" ; private static final String DEFAULT_IS_TRUE_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>expression<seq2seq4repair_space>is<seq2seq4repair_space>false" ; private static final String DEFAULT_NO_NULL_ELEMENTS_ARRAY_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>array<seq2seq4repair_space>contains<seq2seq4repair_space>null<seq2seq4repair_space>element<seq2seq4repair_space>at<seq2seq4repair_space>index:<seq2seq4repair_space>%d" ; private static final String DEFAULT_NO_NULL_ELEMENTS_COLLECTION_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>collection<seq2seq4repair_space>contains<seq2seq4repair_space>null<seq2seq4repair_space>element<seq2seq4repair_space>at<seq2seq4repair_space>index:<seq2seq4repair_space>%d" ; private static final String DEFAULT_NOT_BLANK_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>character<seq2seq4repair_space>sequence<seq2seq4repair_space>is<seq2seq4repair_space>blank" ; private static final String DEFAULT_NOT_EMPTY_ARRAY_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>array<seq2seq4repair_space>is<seq2seq4repair_space>empty" ; private static final String DEFAULT_NOT_EMPTY_CHAR_SEQUENCE_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>character<seq2seq4repair_space>sequence<seq2seq4repair_space>is<seq2seq4repair_space>empty" ; private static final String DEFAULT_NOT_EMPTY_COLLECTION_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>collection<seq2seq4repair_space>is<seq2seq4repair_space>empty" ; private static final String DEFAULT_NOT_EMPTY_MAP_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>map<seq2seq4repair_space>is<seq2seq4repair_space>empty" ; private static final String DEFAULT_VALID_INDEX_ARRAY_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>array<seq2seq4repair_space>index<seq2seq4repair_space>is<seq2seq4repair_space>invalid:<seq2seq4repair_space>%d" ; private static final String DEFAULT_VALID_INDEX_CHAR_SEQUENCE_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>character<seq2seq4repair_space>sequence<seq2seq4repair_space>index<seq2seq4repair_space>is<seq2seq4repair_space>invalid:<seq2seq4repair_space>%d" ; private static final String DEFAULT_VALID_INDEX_COLLECTION_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>collection<seq2seq4repair_space>index<seq2seq4repair_space>is<seq2seq4repair_space>invalid:<seq2seq4repair_space>%d" ; private static final String DEFAULT_VALID_STATE_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>state<seq2seq4repair_space>is<seq2seq4repair_space>false" ; private static final String DEFAULT_IS_ASSIGNABLE_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>class<seq2seq4repair_space>can<seq2seq4repair_space>not<seq2seq4repair_space>be<seq2seq4repair_space>converted<seq2seq4repair_space>to<seq2seq4repair_space>the<seq2seq4repair_space>%s<seq2seq4repair_space>class" ; private static final String DEFAULT_IS_INSTANCE_OF_EX_MESSAGE = "The<seq2seq4repair_space>validated<seq2seq4repair_space>object<seq2seq4repair_space>is<seq2seq4repair_space>not<seq2seq4repair_space>an<seq2seq4repair_space>instance<seq2seq4repair_space>of<seq2seq4repair_space>%s" ; public Validate ( ) { } public static void isTrue ( boolean expression , String message , long value ) { } public static void isTrue ( boolean expression , String message , double value ) { } public static void isTrue ( boolean expression , String message , Object ... values ) { } public static void isTrue ( boolean expression ) { } public static < T > T notNull ( T object ) { } public static < T > T notNull ( T object , String message , Object ... values ) { } public static < T > T [ ] notEmpty ( T [ ] array , String message , Object ... values ) { } public static < T > T [ ] notEmpty ( T [ ] array ) { } public static < T extends Collection < ? > > T notEmpty ( T collection , String message , Object ... values ) { } public static < T extends Collection < ? > > T notEmpty ( T collection ) { } public static < T extends Map < ? , ? > > T notEmpty ( T map , String message , Object ... values ) { } public static < T extends Map < ? , ? > > T notEmpty ( T map ) { } public static < T extends CharSequence > T notEmpty ( T chars , String message , Object ... values ) { } public static < T extends CharSequence > T notEmpty ( T chars ) { } public static < T extends CharSequence > T notBlank ( T chars , String message , Object ... values ) { } public static < T extends CharSequence > T notBlank ( T chars ) { } public static < T > T [ ] noNullElements ( T [ ] array , String message , Object ... values ) { } public static < T > T [ ] noNullElements ( T [ ] array ) { } public static < T extends Iterable < ? > > T noNullElements ( T iterable , String message , Object ... values ) { } public static < T extends Iterable < ? > > T noNullElements ( T iterable ) { } public static < T > T [ ] validIndex ( T [ ] array , int index , String message , Object ... values ) { } public static < T > T [ ] validIndex ( T [ ] array , int index ) { } public static < T extends Collection < ? > > T validIndex ( T collection , int index , String message , Object ... values ) { } public static < T extends Collection < ? > > T validIndex ( T collection , int index ) { } public static < T extends CharSequence > T validIndex ( T chars , int index , String message , Object ... values ) { } public static < T extends CharSequence > T validIndex ( T chars , int index ) { } public static void validState ( boolean expression ) { if ( expression == false ) { <START_BUG> throw new IllegalArgumentException ( Validate . DEFAULT_VALID_STATE_EX_MESSAGE ) ; <END_BUG> } } public static void validState ( boolean expression , String message , Object ... values ) { } public static void matchesPattern ( CharSequence input , String pattern ) { } public static void matchesPattern ( CharSequence input , String pattern , String message , Object ... values ) { } public static < T > void inclusiveBetween ( T start , T end , Comparable < T > value ) { } public static < T > void inclusiveBetween ( T start , T end , Comparable < T > value , String message , Object ... values ) { } public static < T > void exclusiveBetween ( T start , T end , Comparable < T > value ) { } public static < T > void exclusiveBetween ( T start , T end , Comparable < T > value , String message , Object ... values ) { } public static void isInstanceOf ( Class < ? > type , Object o ) { } public static void isInstanceOf ( Class < ? > type , Object o , String message , Object ... values ) { } public static void isAssignableFrom ( Class < ? > superType , Class < ? > type ) { } public static void isAssignableFrom ( Class < ? > superType , Class < ? > type , String message , Object ... values ) { } }

Fix:
throw new IllegalStateException ( Validate . DEFAULT_VALID_STATE_EX_MESSAGE ) ;